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/*========================== begin_copyright_notice ============================
Copyright (C) 2019-2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#pragma once
#include "common/LLVMWarningsPush.hpp"
#include <llvm/Pass.h>
#include <llvm/Analysis/LoopPass.h>
#include <llvm/Transforms/Utils/UnrollLoop.h>
#include "common/LLVMWarningsPop.hpp"
using namespace llvm;
namespace IGC
{
/// @brief Disables loop unroll for each loop by setting llvm.loop.unroll.disable
class DisableLoopUnrollOnRetry : public LoopPass
{
public:
static char ID;
DisableLoopUnrollOnRetry();
~DisableLoopUnrollOnRetry() {}
virtual void getAnalysisUsage(llvm::AnalysisUsage& AU) const
{
AU.setPreservesCFG();
}
virtual StringRef getPassName() const
{
return "DisableLoopUnrollOnRetry";
}
virtual bool runOnLoop(Loop* L, LPPassManager& LPM);
};
} // namespace IGC
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